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Find the 6th term in the expansion (x^2 - 1/x)^25
It is a Binomial Theorem problem and I am extremely confused. Please and thank
1 answer
1,447 views
I have a question for calculating the surface area of a threaded cylinder,there are ten about 19 little threads in one inch, the
0 answers
516 views
1) The base angles of an isosceles triangle are (50-x)^6 and (30x-12)^6 what is the vertex angle?
2) The area of a trapezoid is
1 answer
891 views
How many positive integers, not having the digit 1, can be formed if the product of all its digits is 33750. With solution pls:)
1 answer
476 views
K: 1) simplify: 1 - 1/2 + 1/4 - 1/8 + 1/16 - 1/32
2) Simplify: (1/2 - 1) - (1/3 - 1) + (1/4 -1) 3) In the proportion x^2 : 27 = 9
1 answer
506 views
I need help on my American Government quiz.. Not looking for answers but for someone to see if mine are right, and if not, to
9 answers
3,208 views
Key:8 | 3= 8.3 what does 7|2 mean in the same stem and leaf plot
3 answers
539 views
Determine all x-intercepts, vertical asymptotes, horizontal asymptotes, and removable discontinuities of f
1 answer
665 views
If the first child of a couple was without dimples, an recessive trait, what is the chance that the second child will be born
1 answer
611 views
A ladder is placed 4 ft from the side of a building. The top of the ladder must be 13 ft off the ground. What is the shortest
1 answer
1,266 views
4-|2x-3|<=9
How do I deal with a negative absolute?
2 answers
408 views
Can someone check my answers?
Find # of triangles possible: <A=44.3, a=11.5, b=7.7 ... 2 triangles, B=~27.9 or B=~152.1 <A=29.3,
1 answer
675 views
Using numbers 2,3,5,10, 24 make the number 120
1 answer
557 views
Find the least positive integer that leaves remainders of 1, 2 and 3 when divided by 3, 5 and 7 respectively.
1 answer
829 views
is the statement, 'the blueberries tasted delicious.' a passive statement
1 answer
790 views
James and his friends rolled two fair number cubes 500 times and recorded the sum of the numbers shown on the cubes each time.On
1 answer
658 views
Makoto and his friends rolled two fair number cubes 500 times and recorded the sum of the numbers shown on the cubes each time.
2 answers
1,060 views
If m< 1=53 , what is m<4
-53 -43 -37 -27 If m<1=50, what is m<5 -50 -40 -35 -25 If m<4=25, then what is m<8 -105 -75 -175 -25
13 answers
6,023 views
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 2.50 m.
2 answers
4,577 views
How many grams of MgCl2 do you need to make 2 L of a 0.2 M solution?
0 answers
449 views
During a triathlon, Sharon swims 1/4 of the total route and cycles 3/5 of the remaining route. She runs the rest of the route.
1 answer
1,504 views
A particle of mass m = 0.3 kg is acted upon by a
force so that its position vector, r(t)=2.0t^2(i)- 5.0t^2 (j) +t^2 (k) where t
1 answer
550 views
To repair a roof that is 4 meters high, Mr. Russo leans a 5-meter ladder against the side of the building. To reach the roof,
1 answer
973 views
A walks 6 miles in 90 mins, how many miles does A walk in 60 minutes?
1 answer
608 views
You can shoot an arrow straight up so that it reaches the top of a 25-m-t building. (a) How far will the arrow travel of you
1 answer
3,512 views
Tim needs to fill 3 20L barrels with oil. Oil dispenser flows at 100ml/s . How long to fill up 3 barrels.
Please help by showing
3 answers
4,213 views
If a set of ordered pairs is a function, are the ordered pairs also a relation? (Also, please explain why)
2 answers
583 views
I know the derivative of x is 1, but I'm having a hard time proving it with the limit definition of the derivative.
I have... Lim
1 answer
511 views
The number of units a factory produces is estimated to increase 15% every year geometrically. The production of first years was
1 answer
431 views
A plane's flight path called for it to fly from J to W. W is 200kms due North and 500kms due west of J. Draw a coordinate
4 answers
568 views
A planes flight path called for it to fly from J to W. W is 200km due North and 500km West of J. What bearing will the pilot fly
1 answer
442 views
Pouring concrete into backyard. The patio slab will be 7m long, 2m wide and 10cm deep. How many cubic meters of concrete will
2 answers
577 views
What volume, in liters, of 1.04 M KOH solution should be added to a 0.116 L solution containing 10.08 g of glutamic acid
3 answers
562 views
Explain how it is possible for a motorcycle (mass = 250 kg) to have the same momentum as a locomotive engine (mass = 2,500 kg)
i
1 answer
1,711 views
A ball (mass 12 kg) moving at 15 m/s in the +x-direction collides with a ball (mass 36 kg) moving at 5.0 m/s in the +y
1 answer
1,050 views
A woman spend half of her money on book and give 1 rupee to a man,than she sped half of rest money and give 2 rupee to a
1 answer
563 views
What is the message/theme in "Eulogy" by Brian Turner?
1 answer
577 views
The Thompson Company uses activity-based costing to determine product cost. Three activities and their rates have been
0 answers
855 views
How does the plant regulate what is able to enter into the stem of the plant?
Does it have something to do with the casparian
1 answer
439 views
1. integral (x^3 * sqrt(x^2-4)) dx
I'm confused on how to start this problem, if I am doing trig substitution.
1 answer
626 views
Solid lead(II) iodide was prepared by reacting 65.0 mL of a solution containing 0.218 M lead(II) ions with 80.0 mL of a solution
2 answers
669 views
If 9560 J of energy were absorbed by 500. g of ice at 0.0 °C, what would be the final temperature?
Can someone walk me through
1 answer
1,077 views
Draw one of the Lewis structure of the N2O5. In each case one oxygen bridges the nitrogens (N-O-N single bond) and 2 other
1 answer
1,394 views
You are driving down a highway at a speed of 20.0m/s when you spot a deer. You quickly slam on your brakes, trying to stop your
1 answer
1,196 views
Which algebretic equation correct represents this sentence?
25 is three times a number decreased by 8. A. 25 = 3w - 8 ? B. 3 =
1 answer
945 views
Okay so in English I'm doing "Appositives"
I understand the question and I'm just confused a little. Circle the appositives.
5 answers
704 views
128,955 . Round each number to the place of the underllined digit. 8 is the underlined digit
6 answers
1,063 views
Question: how do you dilute something with a huge concentration to the same thing with a smaller concentration? For example: How
3 answers
643 views
19.With respect to human rights issues in Southeast Asia, which statement is most accurate?
A.Both Cambodia and Vietnam carried
3 answers
858 views
Indicate whether the following statement is true or false. If a figure can be translated, then it will tessellate.
I say false am
2 answers
1,092 views
an electron in the second energy level absorbs a photon of energy 6 ev what's the speed of the ejected electron?
I have tried to
0 answers
630 views
Use integers from-3 to 3 to graph the equation.
y=1/3|x|-2. Please help me how it would be on a graph
1 answer
359 views
What would a graph look like with the equation y=-2(x)2+3.the two next to the x means to the second power.
Please help me
2 answers
333 views
The vertices of ABC are A(2,-5), B(-3,5), and C(3,-3).the triangle is reflected over the x-axis.use arrow notations to describe
5 answers
2,100 views
The point C(3,-1) is translated to the left 4 units and up 1 unit.write a rule to describe the translation.what are the
4 answers
2,031 views
what is the correct description for the translation of A to A?
A(10,3)->A(1,6) a) right 9; up 3 b) left 9; down 3 c) right 9;
1 answer
717 views
y=1/3|x|-2 use integer values of x from-3 to 3 to graph the equation.
Please help me graph this
4 answers
594 views
y=2x^+3 use integer values of x from -3 to 3 to graph the equation.
Someone please tell me how to graph this
4 answers
769 views
order your answers from smallest to largest x, then from smallest to largest y. If there is no solution, enter NO Solution
2x^2+3
1 answer
917 views
A car with good tread can stop in less distance than a car with poor tread. A model for the stopping distance d, in feet, of a
1 answer
988 views
(0,-2)is the vertex- what is the domain and range???
State the domain and range of the function. (Enter your answers using
1 answer
577 views
Can you show the work of how to work this word problem ? A local electronics store will sell 7 ax adapters and 2 rechargeable
1 answer
534 views
To an insulated container with 100.0 g H2O (l) at 20.0 degrees C, 175 g steam at 100.0 degrees C and 1.65 kg of ice at 0.0
3 answers
2,947 views
For example, when a question asks about two equivalents of bromine, does that mean Br2 OR 2Br2?
Thanks
1 answer
918 views
When a student doesn't polish a sample of Mg ribbon before massing it, what happens when calculating the molar volume? Is it
3 answers
1,218 views
How would you define pressure in the unit of thermodynamics? Is it just a force basically?
0 answers
477 views
Do you believe economic principles like competition apply in both private and public organizations? Why?
2 answers
1,370 views
suppose that a population of skunks lives on an isolated island is 500 skunks are present today and the birth rate is 65 per
12 answers
3,818 views
ok, so i did a lab called: measurements using electrochemical cels and electroplating, and one of the post lab questions asks,if
0 answers
529 views
how can you tell if something with oxidize or reduce some other thing, based on the standard reduction potential table?
0 answers
866 views
how can you tell if something with oxidize or reduce some other thing, based on the standard reduction potential table?
1 answer
332 views
So, i did this lab, a solubility and thermodynamics lab of KNO3, and in it we had to determine the delta h delta g and delta s,
7 answers
1,788 views
for a thermodynamics lab, I have to graph the ln K vs. 1/T, so does the ln K go on the y-axis and the 1/T go on the x-axis?
1 answer
387 views
for a thermodynamics lab, I have to graph the ln K vs. 1/T, so does the ln K go on the y-axis and the 1/T go on the x-axis?
2 answers
984 views
A crate is dragged 5.0 along a rough floor with a constant velocity by a worker applying a force of 125N to a rope at an angle
1 answer
988 views
Is the relationship between delta G and Temperature inverse or direct?
1 answer
458 views
When the south Carolina seceded in 1860 they seceded because Abe Lincoln was elected president. But, is the secession of South
1 answer
770 views
Do serial dilutions start out as saturated solutions?, Meaning when it starts out ppt forms, but there is a point where ppt
3 answers
521 views
A fire truck attaches two fire hoses to a hydrant to fight a fire. Each hose has a
diameter of 20 cm. The underground water pipe
1 answer
688 views
What does it mean for something do to be neutralized? Is that when the [H+]=[OH-]? or is that totally wrong?
2 answers
395 views
“Man is not made better by being degraded; he is seldom restrained from crime by harsh measures, except the principle of fear
1 answer
912 views
What is a 2 step equation that equals 8 ?
1 answer
1,154 views
The half-life of P-32 is 14 days. How long after a sample is delivered can a laboratory wait to use a sample in an experiment if
5 answers
1,268 views
The generic equation: Base− + H2O -> HBase+ OH− can be used to account for the pH of which salt? 1)CaI2 2)NH3 3)KCN
2 answers
2,699 views
How can you tell if something is highly concentrated or lowly concentrated?
For example: H2CO3, H+, HCO3-, CO3(2- charge), is in
1 answer
656 views
propane (c3h8) is burned in oxygen to produce carbon dioxide and water. The heat of combustion of propane is -2012 kJ/mole. How
3 answers
2,038 views
A student fails to fill the cuvette 2/3 full with the reaction mixture ( CV+ and OH-). What effect does this error have on the
2 answers
3,196 views
In a reaction, if the concentration decreases faster, that means the reaction has a larger rate constant, and a faster reaction,
1 answer
483 views
Derive position, velocity, and acceleration kinematics equations for an object undergoing a changing
acceleration? I understand
0 answers
553 views
A block is resting on top of a rough incline with coefficients of kinetic and static friction of 0.25 and 0.45 respectively. The
0 answers
677 views
So I did an experiment at school in which we had to form 2.00 grams of precipitate by mixing 2 hydrated compounds. So for the
2 answers
676 views
An ore contains Fe3O4 and no other iron. The iron in a 38.9-gram sample of the ore is all converted by a series of chemical
8 answers
829 views
A 1.24 gram sample of potassium chlorate was heated with manganese dioxide until no addition reaction was visible. THe potassium
4 answers
869 views
A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calculate the mass of pure acetic acid in 170
2 answers
1,777 views
What is the Puritan concept of "calling" and how does it relate to the Puritan beliefs?
Thanks for you help :)
1 answer
640 views
A car travels in a straight line with an average velocity of 80 km/hr for 2.5 hours and then with an average velocity of 40
1 answer
1,904 views
A volume of 150mL of 0.35M HCl is to be prepared from 80% HCl stock solution. (Density of HCl = 1.191g/mL). Calculate the
1 answer
772 views
A 1.0 x 10^3 kg elevator carries a maximum load of 800.0 kg. A constant frictional force of 4.0 x 10^3 N s the elevator's motion
1 answer
5,406 views
why doesn't a women body reject the sperms since it is an external organism , instantly
i.e, it should have produced the
4 answers
737 views
A small coin is inside a bowl. The bowl is a surface of revolution of the curve y=100x4 m−3. This coin slides around the
2 answers
651 views
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